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InLactococcus lactissubsp.cremorisSK110 protein, instead of lipoteichoic acid, reacts with the Group-N-specific antiserum

Authors
Journal
FEMS Microbiology Letters
0378-1097
Publisher
Oxford University Press
Publication Date
Volume
76
Issue
3
Identifiers
DOI: 10.1016/0378-1097(91)90052-c
Keywords
  • Lipoteichoic Acid
  • Lactococcus Lactisssp.Cremoris
  • Group-N-Antigen
  • Protein
Disciplines
  • Biology

Abstract

Abstract The reaction between cell-surface components, isolated from two Lactococcus lactis subsp. cremoris strains, with their Group-specific antiserum were studied. No reaction between purified lipoteichoic acid and the antiserum was observed. Both strains, however, did belong to the lactococci (Group-N streptococci), as was demonstrated by the positive reaction between the antiserum and an acid- (Lancefield) or alkaline-extract. Experiments with proteolytic enzymes demonstrated the involvement of protein in the antigen material in the latter reaction.

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